Home / 281,647.11-422,230.10-104,121.03

Finding the Fourth Proportional to 281,647.11, 422,230.10 and 104,121.03

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Solution

The fourth proportional to 281,647.11, 422,230.10 and 104,121.03 is: 156,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,647.11 : 422,230.10 = 104,121.03 : x
  2. Step 2: Convert to fraction form
    281,647.11/422,230.10 = 104,121.03/x
  3. Step 3: Cross multiply
    281,647.11x = 422,230.10 × 104,121.03
  4. Step 4: Simplify right side
    281,647.11x = 43,963,032,388.40
  5. Step 5: Solve for x
    x = 43,963,032,388.40/281,647.11
  6. Step 6: Final answer
    x = 156,092.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.